Electrical contact plug



FIG. 1 is a perspective view of the electrical contact plug showing my new design;

FIG. 2 is a side elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end elevation view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a front perspective view thereof. 

The ornamental design for an electrical contact plug, as shown. 